Dr. Weiping Ma has been serving as our independent director since March 2023. He has over 30 years of management and technical experience in the building materials industry in both the United States of America and China.

Dr. Ma prior experience includes:

• Senior process engineer and held several management positions for Holcim in Michigan, United States from 1996 to 2002.
• Vice president of marketing and sales for Lafarge (China) in Beijing from 2002 to 2005 and served in a similar position for Lafarge Shuion Cement from 2005 to 2008.
• General manager and vice president for Lafarge A&C in China from 2008 to 2009.
• Managing director of Fuping Cement from 2009 to 2012.
• Chief Representative and Country Manager in China for the Italcementi Group from 2009 to 2014.
• An executive director and the chief executive officer of West China Cement Limited (HKEX: 2233) since February 2015.

Dr. Ma received a bachelor’s degree in Inorganic and Non-Metallic Materials from Tongji University in 1982, a master’s degree in Solid State Science and a Ph.D in Materials from Pennsylvania State University in 1991 and 1994, respectively. Dr. Ma also obtained a Master of Business Administration in Integration Management from Michigan State University in 2002.